Square D | PAF1236-800A | Circuit Breaker | 800A | 3-Pole | 600V

Introducing the Square D PAF1236-800A circuit breaker—a robust, high-capacity protective device designed for demanding 600V three-phase systems. Whether you're performing a maintenance update, a retrofit, or a replacement, this 800A, 3-pole breaker delivers reliable protection where it matters most.

Key specifications

• Amperage: 800A
• Poles: 3-Pole
• Voltage rating: 600V

What makes this model unique

• Exact part reference: PAF1236-800A, the most reliable indicator for compatibility with Square D panels and field assemblies.
• Designed for heavy-duty protection in industrial and commercial applications, ideal for main feeders and critical circuit protection in 3-phase networks.
• Simple cross-reference workflow: use the part number as your primary compatibility check to minimize mismatches during replacements or upgrades.
• Durable Square D construction built to withstand routine switchgear operation, with consistent performance across temperature and vibration conditions typical in facilities.
• Clear fit-and-rating guidance: verify the breaker’s fit and ratings in your panel catalog or service manual before ordering to ensure seamless installation.

Ideal use cases

• Main breaker replacements in legacy Square D panels that require 800A protection
• 3-phase feeder protection for manufacturing lines, data centers, or large equipment rooms
• Retrofit projects where maintaining exact 3-pole, 600V specifications is critical

Practical tips for the field

• Always confirm panel compatibility by cross-referencing the PAF1236-800A with your service panel’s catalog and bus configuration.
• Have the panel documentation on hand when ordering to avoid mismatches in short-circuit current ratings and mounting style.
• Store spares in a clean, dry environment to maintain performance until installation.